code: def LoadWavSpeakerInfo(info_file):
      """return dict of wav: spk_list"""
  
      info_file = open(info_file, "r", encoding="utf-8")
      raw_info = list(
          map((lambda x: x.split(",")), (info_file.read()).split("\n"))
      )
      wav_spk_info = {}
      for mapping in raw_info:
          if len(mapping) < 3:
              continue
          [wav, spk1, spk2] = mapping
          wav_spk_info[wav] = [spk1]
          if spk2 != "":
              wav_spk_info[wav] += [spk2]
      return wav_spk_info
  
file_path: espnet/egs2/yoloxochitl_mixtec/asr1/local/data_prep.py
imports: import os
  import re
  import shutil
  import string
  import sys
  from argparse import ArgumentParser
  from xml.dom.minidom import parse
  import soundfile
label_desc: Use image node_id 6 for calling a global function with example usage: LoadWavSpeakerInfo(info_file) and returns: wav_spk_info